Monday, January 12, 2015

Using the Hypervisor Framework: A Simple DOS Emulator

Michael Steil:

Since Version 10.10 (Yosemite), OS X contains Hypervisor.framework, which provides a thin user mode abstraction of the Intel VT features. It enables apps to use virtualization without the need of a kernel extension (KEXT) – which makes them compatible with the OS X App Store guidelines.


There is no real documentation, but the headers contain a decent amount of information. […] So let’s create a virtual machine that runs simple DOS applications in 16 bit real mode, and trap all “int” DOS system calls – similar to DOSBox.

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